银杏以热风,室温及冻方式风乾后,比较其萃取物抗(12)

银杏以热风,室温及冻方式风乾后,比较其萃取物抗氧化活性之研究

Table 4. DPPH free radical half scavenging concentration of water extract 1

from Ginkgo biloba leaf by different drying methods DPPH 數 量

來

(µg/ml)

76.48±9.73

葉

x

60 278.62±23.64

x

80 264.08±20.95

100 244.17±20.53x 葉

60 290.59±8.42ax 80 404.34±9.05bz 100 293.64±8.09ay 葉

60 375.89±31.8aby 80 431.54±30.56bz 100 317.52±14.31ay 冷 葉

327.10±21.97bxy 60

80 351.63±30.57ay 100 264.69±6.22ax

C 8.81±0.31

Values are means ± SD from three groups of Ginkgo biloba water extracts (n=3). Different superscripts xyz indicate significant (p<0.05) difference between different drying methods; ab indicate difference between different extract temperatures.